Gagnon Jr. , George W.  <br/><br/>
Designing of learning : six elements in constructivist classrooms  	 
George W. Gagnon Jr. and Michelle Collay 
 - Thousand Oaks, California :   Corwin Press,   c2000. 	 
 - xxiv, 167 pages :   illustrations ;   23 cm. 
<br/><br/>Includes bibliographical references and index.<br/>